846140 has 12 divisors (see below), whose sum is σ = 1776936. Its totient is φ = 338448.

The previous prime is 846137. The next prime is 846149. The reversal of 846140 is 41648.

It is a happy number.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (846149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21134 + ... + 21173.

It is an arithmetic number, because the mean of its divisors is an integer number (148078).

2⁸⁴⁶¹⁴⁰ is an apocalyptic number.

It is an amenable number.

846140 is an abundant number, since it is smaller than the sum of its proper divisors (930796).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

846140 is a wasteful number, since it uses less digits than its factorization.

846140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42316 (or 42314 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 846140 is about 919.8586847989. The cubic root of 846140 is about 94.5832157079.

Adding to 846140 its reverse (41648), we get a palindrome (887788).

The spelling of 846140 in words is "eight hundred forty-six thousand, one hundred forty".